Inventor · disambiguated record
John Hannah
Also filed as: HANNAH JOHN · HANNAH JOHN C · HANNAH JOHN CHRISTOPHER
27 granted patents·1 pending application·253 citations·filing 1974–2014
96Inventor score
Top patents by PatentIndex Score
28 records- 0195US4255423ACephalosporin compoundsMERCK & CO INC·Filed 1977·Granted Mar 10, 1981·38 cites·8 claims
- 0290US4801710ARegioselective synthesis of 9-substituted purine acyclonucleoside derivativesMERCK & CO INC·Filed 1988·Granted Jan 31, 1989·31 cites·8 claims
- 0389US4189493AN-heterocyclic derivatives of thienamycinMERCK & CO INC·Filed 1977·Granted Feb 19, 1980·17 cites·3 claims
- 0485US4226870AO-, N- and carboxyl derivatives of thienamycinMERCK & CO INC·Filed 1977·Granted Oct 7, 1980·13 cites·2 claims
- 0582US4845084APhosphate derivatives of substituted butyl guanines, antiviral compositions containing them, and methods of treating viral infections with themMERCK & CO INC·Filed 1987·Granted Jul 4, 1989·16 cites·7 claims
- 0682US4283397A7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing themMERCK & CO INC·Filed 1979·Granted Aug 11, 1981·11 cites·7 claims
- 0778US4358447A7-N-Heterocyclyl cephalosporinsMERCK & CO INC·Filed 1979·Granted Nov 9, 1982·9 cites·5 claims
- 0876US4814432AInhibitor of ribonucleotide reductaseMERCK & CO INC·Filed 1987·Granted Mar 21, 1989·29 cites·3 claims
- 0971US4505915A6-N-Heterocyclyl penicillinsMERCK & CO INC·Filed 1981·Granted Mar 19, 1985·7 cites·5 claims
- 1071US4241062AAntibacterial penicillinsMERCK & CO INC·Filed 1979·Granted Dec 23, 1980·6 cites·4 claims
- 1170US4044133AAnticoccidial compositionsMERCK & CO INC·Filed 1975·Granted Aug 23, 1977·6 cites·9 claims
- 1266US5891496AFat-free chopped and formed potato products and processFiled 1997·Granted Apr 6, 1999·27 cites·25 claims
- 1362US4845195AInhibitor of ribonucleotide reductaseMERCK & CO INC·Filed 1987·Granted Jul 4, 1989·16 cites·3 claims
- 1462US4390693ACephalosporin compoundsMERCK & CO INC·Filed 1980·Granted Jun 28, 1983·4 cites·4 claims
- 1562US4255424A7-N-Heterocyclyl 1-oxa, 1-aza, and 1-carbadethiacephalosporinsMERCK & CO INC·Filed 1979·Granted Mar 10, 1981·4 cites·5 claims
- 1658US8270555B2Systems and methods for storage and processing of radioisotopesHANNAH JOHN·Filed 2008·Granted Sep 18, 2012·2 cites·20 claims
- 1757US4283402A6-N-Heterocyclyl-3-tetrazolyl-penicillinsMERCK & CO INC·Filed 1979·Granted Aug 11, 1981·3 cites·4 claims
- 1857US4282219A7-N-Heterocyclyl cephalosporins and antibiotic pharmaceutical compositions containing themMERCK & CO INC·Filed 1979·Granted Aug 4, 1981·3 cites·6 claims
- 1956US4839352AN-acyl derivatives of thienamycinMERCK & CO INC·Filed 1987·Granted Jun 13, 1989·4 cites·12 claims
- 2055US9922732B2Moderating fuel rods including metal hydride and methods of moderating fuel bundles of boiling water reactors using the sameHANNAH JOHN CHRISTOPHER·Filed 2014·Granted Mar 20, 2018·0 cites·8 claims
- 2154US4397861AN- And carboxyl derivatives of thienamycinMERCK & CO INC·Filed 1981·Granted Aug 9, 1983·3 cites·4 claims
- 2250US4271159A7-N-Heterocyclyl-2-substituted 1-oxadethia-cephalosporinsMERCK & CO INC·Filed 1979·Granted Jun 2, 1981·2 cites·9 claims
- 2344US4695565AAntibacterial 7β-heterocyclic-cephemMERCK & CO INC·Filed 1984·Granted Sep 22, 1987·1 cites·4 claims
- 2441US4006143AHeterocyclic substituted pyrimidine compoundsMERCK & CO INC·Filed 1975·Granted Feb 1, 1977·1 cites·9 claims
- 2541US2016099083A1Fast flux shield and method of reducing fast neutron fluence at a core shroud of a boiling water reactor using the sameHANNAH JOHN CHRISTOPHER·Filed 2014·Application pending·0 cites
- 2632US4263306A3-N-Pyridinium nocardicin and antibiotic composition thereofMERCK & CO INC·Filed 1979·Granted Apr 21, 1981·0 cites·4 claims
- 2731US4376774AAntibiotic N-heterocyclyl thienamycinMERCK & CO INC·Filed 1979·Granted Mar 15, 1983·0 cites·4 claims
- 2829US3957997AAnticoccidial complexes of 4,4'-dinitrocarbanilidesMERCK & CO INC·Filed 1974·Granted May 18, 1976·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when John Hannah files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →